Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11421386 | Inner liner for a cigarette | Bifeng Chen | 2022-08-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11421386 | Inner liner for a cigarette | Bifeng Chen | 2022-08-23 |